1991 Audi S2 vs. 1973 Porsche 911
To start off, 1991 Audi S2 is newer by 18 year(s). Which means there will be less support and parts availability for 1973 Porsche 911. In addition, the cost of maintenance, including insurance, on 1973 Porsche 911 would be higher. At 2,994 cc (6 cylinders), 1973 Porsche 911 is equipped with a bigger engine. In terms of performance, 1973 Porsche 911 (226 HP @ 6200 RPM) has 10 more horse power than 1991 Audi S2. (216 HP @ 5900 RPM) In normal driving conditions, 1973 Porsche 911 should accelerate faster than 1991 Audi S2. With that said, vehicle weight also plays an important factor in acceleration. 1991 Audi S2 weights approximately 520 kg more than 1973 Porsche 911.
Because 1991 Audi S2 is four wheel drive (4WD), it will have significant more traction and grip than 1973 Porsche 911. In wet, icy, snow, or gravel driving conditions, 1991 Audi S2 will offer significantly more control. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 1991 Audi S2 (309 Nm @ 1950 RPM) has 34 more torque (in Nm) than 1973 Porsche 911. (275 Nm @ 5000 RPM). This means 1991 Audi S2 will have an easier job in driving up hills or pulling heavy equipment than 1973 Porsche 911.
Compare all specifications:
| 1991 Audi S2 | 1973 Porsche 911 | |
| Make | Audi | Porsche |
| Model | S2 | 911 |
| Year Released | 1991 | 1973 |
| Engine Position | Front | Rear |
| Engine Size | 2226 cc | 2994 cc |
| Engine Cylinders | 5 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 216 HP | 226 HP |
| Engine RPM | 5900 RPM | 6200 RPM |
| Torque | 309 Nm | 275 Nm |
| Torque RPM | 1950 RPM | 5000 RPM |
| Engine Bore Size | 81.1 mm | 95 mm |
| Engine Stroke Size | 86.4 mm | 70.4 mm |
| Engine Compression Ratio | 9.3:1 | 8.5:1 |
| Acceleration 0-100mph | 6.1 seconds | 5.3 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1420 kg | 900 kg |
| Vehicle Length | 4410 mm | 4130 mm |
| Vehicle Width | 1720 mm | 1690 mm |
| Vehicle Height | 1380 mm | 1330 mm |
| Wheelbase Size | 2560 mm | 2270 mm |
| Fuel Tank Capacity | 70 L | 80 L |
